Can I do "string contains" in a WiX if statement?

StackOverflow https://stackoverflow.com/questions/20079799

  •  31-07-2022
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Question

Can I do the following and see if the configuration contains the word "Extra":

<?if $(var.MyProject.Configuration) >< "Extra" ?>

This link suggests I can use >< but it doesn't work for me. It compiles with this error:

error CNDL0162: An illegal number was found in the expression
Was it helpful?

Solution

Short answer: not without writing a preprocessor extension.

The link you provided discusses MSI expressions. The WiX preprocessor is slightly different and doesn't have the substring operators (or bitwise numeric operators for that matter).

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